<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>webpack-hmr</title>
</head>
<body>
  <input/>
  <div id="root"></div>
  <script src="https://lib.baomitu.com/socket.io/4.0.1/socket.io.js"></script>
<script src="hmr.js"></script></body>
</html>